pom file fixes for release build

Change-Id: I5374050976fa2d1bc8688aa1dc546a87520aa47f
diff --git a/apps/pom.xml b/apps/pom.xml
index ebd1d28..a036380 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -88,6 +88,7 @@
         <module>mappingmanagement</module>
         <module>yang</module>
         <module>network-troubleshoot</module>
+        <module>l3vpn</module>
     </modules>
 
     <properties>